Multiple copy electrophotographic reproducing apparatus

Details Multiple copy electrophotographic reproducing apparatus Multiple copy electrophotographic reproducing apparatus

1980-08-25

1982-05-11

Moses, R. L.

Photocopying

Projection printing and copying cameras

Combined with or convertible to a contact printer

355 3R, G03G 1500

Patent

active

043290434

ABSTRACT:
Apparatus for obtaining multiple copies from apparatus including an electrophotographic member of the type in which the latent image is represented by charge not removed when toner is applied and thereafter transferred. The electrophotographic member with its latent image is repeatedly subjected to toning and transfer to respective multiple receptors without intervening charge and exposure. This may be done until the desired number of copies is made or until the image quality deteriorates by reason of dark decay. If additional copies are desired the electrophotographic member is again charged and exposed and thereafter toned and the image transferred repeatedly without intervening additional charge and exposure.
Structure is provided for performing other functions such as automatically sensing quality and responding to a condition which requires a new cycle of charge and expose.

REFERENCES:
patent: 2951443 (1960-09-01), Byrne
patent: 3045587 (1962-07-01), Schwertz
patent: 3124483 (1964-03-01), Rheinfrank
patent: 3281241 (1966-10-01), Mihajlov
patent: 3363555 (1968-01-01), Olden
patent: 3429701 (1969-02-01), Koehler
patent: 3508823 (1970-04-01), Gundlach et al.
patent: 3646866 (1972-03-01), Baltazzi et al.
patent: 3659936 (1972-05-01), Klose et al.
patent: 3888664 (1975-06-01), Carlson et al.
patent: 3918971 (1975-11-01), Zweig

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